package com.song.studylineserver.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.song.studylineserver.domain.Topic;

import java.util.List;


/**
* @author Swtao
* @description 针对表【sl_topic】的数据库操作Service
* @createDate 2022-01-14 14:22:03
*/
public interface TopicService extends IService<Topic> {


      Topic selectTopicByTopicId(String topicId);
    List<Topic> searchAllByTopicAuthor(Long AuthorId);

    List<String> searchAllType();

    Object selectAll();


}
